./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml', '-i', '../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(F end) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:59:09,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:59:10,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-07 23:59:10,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:59:10,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:59:10,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:59:10,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:59:10,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:59:10,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:59:10,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:59:10,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:59:10,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:59:10,104 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:59:10,105 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-07 23:59:10,105 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-07 23:59:10,105 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-07 23:59:10,105 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-07 23:59:10,105 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-07 23:59:10,105 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-07 23:59:10,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-07 23:59:10,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:59:10,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:59:10,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:59:10,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:59:10,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:59:10,108 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-07 23:59:10,108 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 [2024-11-07 23:59:10,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:59:10,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:59:10,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:59:10,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:59:10,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:59:10,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2024-11-07 23:59:11,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:59:11,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:59:11,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2024-11-07 23:59:11,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f621b8a9/a213c9b695e341979feef143f80cadf0/FLAGf29ce2562 [2024-11-07 23:59:12,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f621b8a9/a213c9b695e341979feef143f80cadf0 [2024-11-07 23:59:12,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:59:12,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:59:12,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:59:12,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:59:12,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:59:12,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e48ef24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12, skipping insertion in model container [2024-11-07 23:59:12,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:59:12,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:59:12,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:59:12,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:59:12,508 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:59:12,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12 WrapperNode [2024-11-07 23:59:12,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:59:12,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:59:12,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:59:12,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:59:12,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,567 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 11, calls inlined = 9, statements flattened = 376 [2024-11-07 23:59:12,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:59:12,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:59:12,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:59:12,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:59:12,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,613 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 23:59:12,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:59:12,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:59:12,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:59:12,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:59:12,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (1/1) ... [2024-11-07 23:59:12,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:12,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:12,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:12,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-07 23:59:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:59:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:59:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:59:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:59:12,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:59:12,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:59:13,244 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2024-11-07 23:59:13,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:59:13,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:59:13,256 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-07 23:59:13,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:59:13 BoogieIcfgContainer [2024-11-07 23:59:13,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:59:13,257 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-07 23:59:13,257 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-07 23:59:13,272 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-07 23:59:13,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:59:13,273 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:59:12" (1/3) ... [2024-11-07 23:59:13,274 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef3b8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:59:13, skipping insertion in model container [2024-11-07 23:59:13,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:59:13,275 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:59:12" (2/3) ... [2024-11-07 23:59:13,275 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef3b8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:59:13, skipping insertion in model container [2024-11-07 23:59:13,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:59:13,275 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:59:13" (3/3) ... [2024-11-07 23:59:13,276 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_5a.c.cil.c [2024-11-07 23:59:13,315 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-07 23:59:13,315 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-07 23:59:13,315 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-07 23:59:13,315 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-07 23:59:13,315 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-07 23:59:13,315 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-07 23:59:13,315 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-07 23:59:13,315 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-07 23:59:13,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 117 states, 116 states have (on average 1.6637931034482758) internal successors, (193), 116 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:13,338 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-07 23:59:13,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:13,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:13,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-07 23:59:13,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:13,344 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-07 23:59:13,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 117 states, 116 states have (on average 1.6637931034482758) internal successors, (193), 116 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:13,352 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-07 23:59:13,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:13,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:13,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-07 23:59:13,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:13,360 INFO L745 eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 77#L29true assume !(0 == base2flt_~m#1 % 4294967296); 98#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 56#L57-2true [2024-11-07 23:59:13,361 INFO L747 eck$LassoCheckResult]: Loop: 56#L57-2true assume !false; 39#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 88#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 56#L57-2true [2024-11-07 23:59:13,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:13,366 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2024-11-07 23:59:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:13,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413074397] [2024-11-07 23:59:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:13,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:13,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413074397] [2024-11-07 23:59:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413074397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:59:13,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:59:13,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:59:13,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846322037] [2024-11-07 23:59:13,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:59:13,584 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:13,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2024-11-07 23:59:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:13,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467045172] [2024-11-07 23:59:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:13,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:13,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:13,676 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:13,677 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:13,677 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:13,677 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:13,677 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:13,677 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:13,677 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:13,677 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:13,678 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration1_Loop [2024-11-07 23:59:13,678 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:13,679 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:13,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:13,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:13,824 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:13,825 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:13,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:13,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:13,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:13,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-07 23:59:13,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:13,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:13,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-07 23:59:13,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:13,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:13,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:13,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-07 23:59:13,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:13,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:13,894 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:13,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-07 23:59:13,898 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:13,898 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:13,898 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:13,899 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:13,899 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:13,899 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:13,899 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:13,899 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:13,899 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration1_Loop [2024-11-07 23:59:13,899 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:13,899 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:13,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:13,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:14,008 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:14,011 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:14,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-07 23:59:14,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:14,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:14,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:14,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:14,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:14,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:14,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:14,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:14,043 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:14,051 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:14,053 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:14,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-07 23:59:14,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:14,064 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:14,065 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:14,065 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-07 23:59:14,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-07 23:59:14,082 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:14,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:14,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:14,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:14,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:14,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:14,168 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-07 23:59:14,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 117 states, 116 states have (on average 1.6637931034482758) internal successors, (193), 116 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:14,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 117 states, 116 states have (on average 1.6637931034482758) internal successors, (193), 116 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 347 states and 564 transitions. Complement of second has 6 states. [2024-11-07 23:59:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2024-11-07 23:59:14,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 372 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-07 23:59:14,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:14,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 372 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-07 23:59:14,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:14,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 372 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-07 23:59:14,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:14,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 347 states and 564 transitions. [2024-11-07 23:59:14,307 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 39 [2024-11-07 23:59:14,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 347 states to 121 states and 186 transitions. [2024-11-07 23:59:14,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2024-11-07 23:59:14,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2024-11-07 23:59:14,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 186 transitions. [2024-11-07 23:59:14,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:14,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 186 transitions. [2024-11-07 23:59:14,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 186 transitions. [2024-11-07 23:59:14,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2024-11-07 23:59:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.5825242718446602) internal successors, (163), 102 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 163 transitions. [2024-11-07 23:59:14,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 163 transitions. [2024-11-07 23:59:14,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:14,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:59:14,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:59:14,381 INFO L87 Difference]: Start difference. First operand 103 states and 163 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:14,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-07 23:59:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:14,460 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2024-11-07 23:59:14,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 70 transitions. [2024-11-07 23:59:14,461 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-07 23:59:14,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 70 transitions. [2024-11-07 23:59:14,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-07 23:59:14,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-07 23:59:14,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 70 transitions. [2024-11-07 23:59:14,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:59:14,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-07 23:59:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 70 transitions. [2024-11-07 23:59:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-07 23:59:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-07 23:59:14,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-07 23:59:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:59:14,469 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-07 23:59:14,469 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-07 23:59:14,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 70 transitions. [2024-11-07 23:59:14,470 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-07 23:59:14,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:14,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:14,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:14,472 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:14,472 INFO L745 eck$LassoCheckResult]: Stem: 696#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 697#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 692#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 693#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 688#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 689#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 702#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 695#L47-3 [2024-11-07 23:59:14,472 INFO L747 eck$LassoCheckResult]: Loop: 695#L47-3 assume !false; 690#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 691#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 695#L47-3 [2024-11-07 23:59:14,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397383, now seen corresponding path program 1 times [2024-11-07 23:59:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:14,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679001378] [2024-11-07 23:59:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:14,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:14,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:14,495 INFO L85 PathProgramCache]: Analyzing trace with hash 136237, now seen corresponding path program 1 times [2024-11-07 23:59:14,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:14,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112115443] [2024-11-07 23:59:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:14,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:14,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:14,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1829446553, now seen corresponding path program 1 times [2024-11-07 23:59:14,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:14,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774772989] [2024-11-07 23:59:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:14,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:14,578 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:14,578 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:14,578 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:14,578 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:14,578 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:14,578 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,578 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:14,578 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:14,579 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration2_Loop [2024-11-07 23:59:14,579 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:14,579 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:14,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:14,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:14,696 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:14,696 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-07 23:59:14,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:14,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:14,734 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-07 23:59:14,734 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-07 23:59:14,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-07 23:59:14,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-07 23:59:14,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:14,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:14,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-07 23:59:14,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,777 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-07 23:59:14,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:14,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:14,815 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:14,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-07 23:59:14,820 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:14,820 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:14,820 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:14,820 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:14,820 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:14,821 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,821 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:14,821 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:14,823 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration2_Loop [2024-11-07 23:59:14,823 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:14,823 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:14,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:14,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:14,946 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:14,946 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-07 23:59:14,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:14,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:14,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:14,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:14,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:14,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:14,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:14,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:14,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:59:14,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-07 23:59:14,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:14,990 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:14,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-07 23:59:14,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:15,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:15,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:15,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:15,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:15,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:15,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:15,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:15,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:15,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:15,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:15,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,017 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-07 23:59:15,022 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:15,022 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:15,022 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:15,023 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-07 23:59:15,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:15,039 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:15,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:15,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:15,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:15,120 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-07 23:59:15,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 70 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,162 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 70 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 135 transitions. Complement of second has 5 states. [2024-11-07 23:59:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-07 23:59:15,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-07 23:59:15,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-07 23:59:15,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-07 23:59:15,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 135 transitions. [2024-11-07 23:59:15,165 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2024-11-07 23:59:15,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 89 states and 126 transitions. [2024-11-07 23:59:15,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2024-11-07 23:59:15,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2024-11-07 23:59:15,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 126 transitions. [2024-11-07 23:59:15,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:15,167 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-07 23:59:15,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 126 transitions. [2024-11-07 23:59:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 52. [2024-11-07 23:59:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 51 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-07 23:59:15,170 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-07 23:59:15,170 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-07 23:59:15,170 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-07 23:59:15,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 74 transitions. [2024-11-07 23:59:15,171 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-07 23:59:15,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:15,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:15,171 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:15,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:15,171 INFO L745 eck$LassoCheckResult]: Stem: 893#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 888#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 889#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 883#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 884#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 899#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 871#L57-5 [2024-11-07 23:59:15,171 INFO L747 eck$LassoCheckResult]: Loop: 871#L57-5 assume !false; 867#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 868#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 871#L57-5 [2024-11-07 23:59:15,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397409, now seen corresponding path program 1 times [2024-11-07 23:59:15,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:15,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480221984] [2024-11-07 23:59:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:15,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:15,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480221984] [2024-11-07 23:59:15,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480221984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:59:15,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:59:15,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:59:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020051479] [2024-11-07 23:59:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:59:15,227 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:15,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,227 INFO L85 PathProgramCache]: Analyzing trace with hash 161996, now seen corresponding path program 1 times [2024-11-07 23:59:15,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:15,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450320884] [2024-11-07 23:59:15,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:15,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:15,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:15,275 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:15,275 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:15,275 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:15,275 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:15,275 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:15,275 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,275 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:15,275 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:15,275 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration3_Loop [2024-11-07 23:59:15,275 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:15,276 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:15,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:15,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:15,368 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:15,368 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:15,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,371 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-07 23:59:15,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:15,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:15,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-07 23:59:15,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:15,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:15,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-07 23:59:15,441 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:15,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:15,446 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:15,447 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:15,447 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:15,447 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:15,447 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:15,447 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,447 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:15,447 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:15,447 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration3_Loop [2024-11-07 23:59:15,447 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:15,447 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:15,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:15,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:15,571 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:15,572 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:15,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,578 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:15,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:15,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-07 23:59:15,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:15,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:15,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:15,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:15,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:15,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:15,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:15,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:59:15,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:15,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-07 23:59:15,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:15,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:15,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:15,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:15,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:15,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:15,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:15,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:15,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:15,633 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:15,633 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:15,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:15,635 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:15,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-07 23:59:15,637 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:15,637 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:15,637 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:15,637 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-07 23:59:15,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:15,648 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:15,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:15,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:15,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:15,699 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-07 23:59:15,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 74 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,722 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 74 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 138 transitions. Complement of second has 5 states. [2024-11-07 23:59:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-11-07 23:59:15,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-07 23:59:15,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-07 23:59:15,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-07 23:59:15,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:15,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 138 transitions. [2024-11-07 23:59:15,725 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-07 23:59:15,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 91 states and 129 transitions. [2024-11-07 23:59:15,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2024-11-07 23:59:15,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2024-11-07 23:59:15,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 129 transitions. [2024-11-07 23:59:15,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:15,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-07 23:59:15,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 129 transitions. [2024-11-07 23:59:15,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 55. [2024-11-07 23:59:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2024-11-07 23:59:15,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 78 transitions. [2024-11-07 23:59:15,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:15,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:59:15,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:59:15,730 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:15,800 INFO L93 Difference]: Finished difference Result 53 states and 71 transitions. [2024-11-07 23:59:15,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 71 transitions. [2024-11-07 23:59:15,801 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-07 23:59:15,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 53 states and 71 transitions. [2024-11-07 23:59:15,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-07 23:59:15,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-07 23:59:15,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 71 transitions. [2024-11-07 23:59:15,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:15,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 71 transitions. [2024-11-07 23:59:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 71 transitions. [2024-11-07 23:59:15,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-07 23:59:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 48 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2024-11-07 23:59:15,805 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-07 23:59:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:59:15,806 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-07 23:59:15,806 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-07 23:59:15,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 67 transitions. [2024-11-07 23:59:15,806 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-07 23:59:15,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:15,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:15,807 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:15,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:15,807 INFO L745 eck$LassoCheckResult]: Stem: 1208#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1176#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1205#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1199#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1200#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1180#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1181#L47-3 assume !false; 1203#L38-1 assume base2flt_~e#1 <= -128;base2flt_~__retres4~0#1 := 0; 1191#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1173#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1174#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1196#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1197#L57-8 [2024-11-07 23:59:15,808 INFO L747 eck$LassoCheckResult]: Loop: 1197#L57-8 assume !false; 1189#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 1190#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 1197#L57-8 [2024-11-07 23:59:15,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2092843178, now seen corresponding path program 1 times [2024-11-07 23:59:15,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:15,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923685927] [2024-11-07 23:59:15,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:15,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:15,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:15,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923685927] [2024-11-07 23:59:15,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923685927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:59:15,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:59:15,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:59:15,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377865631] [2024-11-07 23:59:15,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:59:15,898 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:15,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:15,899 INFO L85 PathProgramCache]: Analyzing trace with hash 249380, now seen corresponding path program 1 times [2024-11-07 23:59:15,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:15,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680654694] [2024-11-07 23:59:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:15,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:15,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:15,937 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:15,937 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:15,937 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:15,937 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:15,937 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:15,937 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:15,937 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:15,938 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:15,938 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration4_Loop [2024-11-07 23:59:15,938 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:15,938 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:15,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:15,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,029 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:16,030 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,032 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-07 23:59:16,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:16,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:16,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:16,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,068 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-07 23:59:16,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:16,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:16,105 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:16,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-07 23:59:16,110 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:16,110 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:16,110 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:16,110 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:16,110 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:16,111 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,111 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:16,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:16,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration4_Loop [2024-11-07 23:59:16,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:16,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:16,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,196 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:16,196 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:16,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,199 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-07 23:59:16,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:16,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:16,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:16,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:16,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:16,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:16,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:16,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:16,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:16,215 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:16,215 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:16,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,218 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-07 23:59:16,220 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:16,220 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:16,220 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:16,220 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-07 23:59:16,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-07 23:59:16,230 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:16,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:16,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:16,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:16,299 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-07 23:59:16,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 67 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 67 transitions. cyclomatic complexity: 23. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 103 transitions. Complement of second has 5 states. [2024-11-07 23:59:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-07 23:59:16,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-07 23:59:16,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-07 23:59:16,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 13 letters. Loop has 6 letters. [2024-11-07 23:59:16,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 103 transitions. [2024-11-07 23:59:16,324 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-07 23:59:16,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 70 states and 94 transitions. [2024-11-07 23:59:16,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2024-11-07 23:59:16,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2024-11-07 23:59:16,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 94 transitions. [2024-11-07 23:59:16,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:16,325 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 94 transitions. [2024-11-07 23:59:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 94 transitions. [2024-11-07 23:59:16,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 52. [2024-11-07 23:59:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 51 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2024-11-07 23:59:16,328 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 71 transitions. [2024-11-07 23:59:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:16,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:59:16,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:59:16,328 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:16,361 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2024-11-07 23:59:16,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 72 transitions. [2024-11-07 23:59:16,362 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-07 23:59:16,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 53 states and 71 transitions. [2024-11-07 23:59:16,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-11-07 23:59:16,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-11-07 23:59:16,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 71 transitions. [2024-11-07 23:59:16,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:16,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 71 transitions. [2024-11-07 23:59:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 71 transitions. [2024-11-07 23:59:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-11-07 23:59:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 51 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2024-11-07 23:59:16,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-07 23:59:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:59:16,368 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-07 23:59:16,368 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-07 23:59:16,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 70 transitions. [2024-11-07 23:59:16,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-07 23:59:16,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:16,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:16,369 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:16,369 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:16,369 INFO L745 eck$LassoCheckResult]: Stem: 1509#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1474#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1505#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1499#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1500#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1478#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1479#L47-3 assume !false; 1504#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1491#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1492#L47-3 assume !false; 1503#L38-1 assume base2flt_~e#1 <= -128;base2flt_~__retres4~0#1 := 0; 1495#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1471#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1472#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1496#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1498#L47-5 [2024-11-07 23:59:16,369 INFO L747 eck$LassoCheckResult]: Loop: 1498#L47-5 assume !false; 1502#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1507#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1498#L47-5 [2024-11-07 23:59:16,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:16,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1820795632, now seen corresponding path program 1 times [2024-11-07 23:59:16,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:16,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013403117] [2024-11-07 23:59:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:16,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:16,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013403117] [2024-11-07 23:59:16,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013403117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:59:16,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270650444] [2024-11-07 23:59:16,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:16,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:59:16,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,421 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 23:59:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:16,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:16,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:59:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:16,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270650444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:59:16,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:59:16,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 23:59:16,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966133430] [2024-11-07 23:59:16,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:59:16,517 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:16,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash 223621, now seen corresponding path program 1 times [2024-11-07 23:59:16,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:16,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503829620] [2024-11-07 23:59:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:16,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:16,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:16,560 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:16,560 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:16,560 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:16,560 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:16,560 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:16,560 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,560 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:16,560 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:16,560 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration5_Loop [2024-11-07 23:59:16,560 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:16,560 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:16,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,655 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:16,655 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:16,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,657 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-07 23:59:16,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:16,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:16,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-07 23:59:16,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,694 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-07 23:59:16,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:16,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:16,722 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:16,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-07 23:59:16,726 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:16,726 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:16,726 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:16,726 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:16,726 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:16,726 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,726 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:16,726 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:16,726 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration5_Loop [2024-11-07 23:59:16,726 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:16,726 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:16,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:16,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:16,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:16,833 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:16,833 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:16,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,836 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-07 23:59:16,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:16,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:16,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:16,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:16,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:16,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:16,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:16,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:16,857 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:16,861 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:16,861 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:16,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:16,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:16,863 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:16,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-07 23:59:16,868 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:16,868 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:16,868 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:16,868 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-07 23:59:16,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-07 23:59:16,883 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:16,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:16,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:16,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:16,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:16,952 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-07 23:59:16,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,972 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 81 states and 107 transitions. Complement of second has 5 states. [2024-11-07 23:59:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-07 23:59:16,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-07 23:59:16,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-07 23:59:16,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 16 letters. Loop has 6 letters. [2024-11-07 23:59:16,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:16,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 107 transitions. [2024-11-07 23:59:16,975 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-07 23:59:16,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 98 transitions. [2024-11-07 23:59:16,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2024-11-07 23:59:16,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2024-11-07 23:59:16,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 98 transitions. [2024-11-07 23:59:16,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:16,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 98 transitions. [2024-11-07 23:59:16,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 98 transitions. [2024-11-07 23:59:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 55. [2024-11-07 23:59:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 54 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2024-11-07 23:59:16,979 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2024-11-07 23:59:16,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:16,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:59:16,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:59:16,980 INFO L87 Difference]: Start difference. First operand 55 states and 74 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:17,040 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2024-11-07 23:59:17,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 126 transitions. [2024-11-07 23:59:17,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-07 23:59:17,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 86 states and 120 transitions. [2024-11-07 23:59:17,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-07 23:59:17,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2024-11-07 23:59:17,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 120 transitions. [2024-11-07 23:59:17,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:17,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 120 transitions. [2024-11-07 23:59:17,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 120 transitions. [2024-11-07 23:59:17,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 63. [2024-11-07 23:59:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 62 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2024-11-07 23:59:17,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-07 23:59:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:59:17,047 INFO L425 stractBuchiCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-07 23:59:17,047 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-07 23:59:17,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 85 transitions. [2024-11-07 23:59:17,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-07 23:59:17,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:17,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:17,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:17,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:17,048 INFO L745 eck$LassoCheckResult]: Stem: 1963#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1923#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1924#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1957#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1948#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1949#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1928#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1929#L47-3 assume !false; 1961#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1970#L47-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1943#$Ultimate##64 assume 0 == base2flt_~m#1 % 4294967296;base2flt_#t~bitwise4#1 := 0; 1911#L76-9 base2flt_~m#1 := base2flt_#t~bitwise4#1;havoc base2flt_#t~bitwise4#1; 1912#L77-6 assume 0 == base2flt_~m#1 % 4294967296 || base2flt_~m#1 % 4294967296 == 16777216 * ((128 + base2flt_~e#1) % 4294967296) % 4294967296;base2flt_#t~bitwise5#1 := 16777216 * ((128 + base2flt_~e#1) % 4294967296); 1909#L77-11 base2flt_~res~0#1 := base2flt_#t~bitwise5#1;havoc base2flt_#t~bitwise5#1;base2flt_~__retres4~0#1 := base2flt_~res~0#1; 1944#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1921#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1922#L29-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1913#L79-2 base2flt_#res#1 := base2flt_~__retres4~0#1; 1914#base2flt_returnLabel#3 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1960#L29-3 assume !(0 == base2flt_~m#1 % 4294967296); 1925#L35-3 assume base2flt_~m#1 % 4294967296 < 16777216; 1926#L47-7 [2024-11-07 23:59:17,049 INFO L747 eck$LassoCheckResult]: Loop: 1926#L47-7 assume !false; 1917#L38-3 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1918#L47-6 assume base2flt_~m#1 % 4294967296 < 16777216; 1926#L47-7 [2024-11-07 23:59:17,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1123658843, now seen corresponding path program 1 times [2024-11-07 23:59:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189626684] [2024-11-07 23:59:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:17,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:17,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:17,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189626684] [2024-11-07 23:59:17,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189626684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:59:17,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:59:17,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:59:17,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046188474] [2024-11-07 23:59:17,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:59:17,110 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:17,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:17,110 INFO L85 PathProgramCache]: Analyzing trace with hash 311005, now seen corresponding path program 1 times [2024-11-07 23:59:17,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:17,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125604733] [2024-11-07 23:59:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:17,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:17,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:17,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:17,146 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:17,146 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:17,146 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:17,146 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:17,146 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:17,146 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,146 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:17,146 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:17,146 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration6_Loop [2024-11-07 23:59:17,146 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:17,147 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:17,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,227 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:17,227 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:17,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,229 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-07 23:59:17,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:17,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:17,257 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-07 23:59:17,257 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-07 23:59:17,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-07 23:59:17,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,265 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-07 23:59:17,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:17,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:17,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-07 23:59:17,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-07 23:59:17,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:17,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:17,343 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:17,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-07 23:59:17,348 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:17,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:17,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:17,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:17,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:17,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:17,349 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:17,349 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration6_Loop [2024-11-07 23:59:17,349 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:17,349 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:17,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,453 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:17,454 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:17,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,457 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-07 23:59:17,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:17,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:17,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:17,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:17,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:17,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:17,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:17,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:17,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:59:17,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-07 23:59:17,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,495 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-07 23:59:17,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:17,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:17,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:17,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:17,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:17,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:17,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:17,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:17,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:17,515 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:17,515 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:17,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,518 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-07 23:59:17,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:17,521 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:17,521 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:17,521 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-07 23:59:17,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-07 23:59:17,537 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:17,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:17,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:17,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:17,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:17,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:17,620 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-07 23:59:17,620 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 85 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,627 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 85 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 89 transitions. Complement of second has 4 states. [2024-11-07 23:59:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-11-07 23:59:17,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 21 letters. Loop has 3 letters. [2024-11-07 23:59:17,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:17,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 24 letters. Loop has 3 letters. [2024-11-07 23:59:17,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:17,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-07 23:59:17,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:17,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 89 transitions. [2024-11-07 23:59:17,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-07 23:59:17,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 60 states and 81 transitions. [2024-11-07 23:59:17,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-11-07 23:59:17,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2024-11-07 23:59:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 81 transitions. [2024-11-07 23:59:17,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:17,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-07 23:59:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 81 transitions. [2024-11-07 23:59:17,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-07 23:59:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.35) internal successors, (81), 59 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-11-07 23:59:17,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-07 23:59:17,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:59:17,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:59:17,633 INFO L87 Difference]: Start difference. First operand 60 states and 81 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:17,693 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2024-11-07 23:59:17,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 91 transitions. [2024-11-07 23:59:17,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-07 23:59:17,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 91 transitions. [2024-11-07 23:59:17,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2024-11-07 23:59:17,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2024-11-07 23:59:17,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 91 transitions. [2024-11-07 23:59:17,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:59:17,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 91 transitions. [2024-11-07 23:59:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 91 transitions. [2024-11-07 23:59:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2024-11-07 23:59:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2024-11-07 23:59:17,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 83 transitions. [2024-11-07 23:59:17,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:59:17,698 INFO L425 stractBuchiCegarLoop]: Abstraction has 62 states and 83 transitions. [2024-11-07 23:59:17,698 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-07 23:59:17,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 83 transitions. [2024-11-07 23:59:17,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-07 23:59:17,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:59:17,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:59:17,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:59:17,699 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:59:17,699 INFO L745 eck$LassoCheckResult]: Stem: 2308#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 2270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2271#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 2303#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 2294#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2295#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 2274#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 2275#L47-3 assume !false; 2302#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 2287#L47-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 2289#$Ultimate##64 assume !(0 == base2flt_~m#1 % 4294967296); 2266#L76-6 assume 4278190079 == base2flt_~m#1 % 4294967296;base2flt_#t~bitwise4#1 := base2flt_~m#1; 2260#L76-9 base2flt_~m#1 := base2flt_#t~bitwise4#1;havoc base2flt_#t~bitwise4#1; 2261#L77-6 assume 0 == base2flt_~m#1 % 4294967296 || base2flt_~m#1 % 4294967296 == 16777216 * ((128 + base2flt_~e#1) % 4294967296) % 4294967296;base2flt_#t~bitwise5#1 := 16777216 * ((128 + base2flt_~e#1) % 4294967296); 2258#L77-11 base2flt_~res~0#1 := base2flt_#t~bitwise5#1;havoc base2flt_#t~bitwise5#1;base2flt_~__retres4~0#1 := base2flt_~res~0#1; 2290#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 2268#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2269#L29-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 2262#L79-2 base2flt_#res#1 := base2flt_~__retres4~0#1; 2263#base2flt_returnLabel#3 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2306#L29-3 assume !(0 == base2flt_~m#1 % 4294967296); 2272#L35-3 assume !(base2flt_~m#1 % 4294967296 < 16777216); 2273#L57-11 [2024-11-07 23:59:17,700 INFO L747 eck$LassoCheckResult]: Loop: 2273#L57-11 assume !false; 2276#L58-3 assume base2flt_~m#1 % 4294967296 >= 33554432; 2277#L59-3 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 2273#L57-11 [2024-11-07 23:59:17,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1482624755, now seen corresponding path program 1 times [2024-11-07 23:59:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:17,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932068346] [2024-11-07 23:59:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:17,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:59:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932068346] [2024-11-07 23:59:17,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932068346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:59:17,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:59:17,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:59:17,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854463946] [2024-11-07 23:59:17,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:59:17,811 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:59:17,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash 336764, now seen corresponding path program 1 times [2024-11-07 23:59:17,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:59:17,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74517822] [2024-11-07 23:59:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:59:17,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:59:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:17,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:59:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:59:17,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:59:17,848 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:17,848 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:17,848 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:17,848 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:17,848 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:59:17,848 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,848 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:17,848 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:17,848 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration7_Loop [2024-11-07 23:59:17,848 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:17,848 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:17,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,919 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:17,919 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:59:17,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,925 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:59:17,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:17,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-07 23:59:17,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-07 23:59:17,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-07 23:59:17,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:17,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:17,960 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:17,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-07 23:59:17,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:59:17,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:59:17,983 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:59:17,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-07 23:59:17,987 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:59:17,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:59:17,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:59:17,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:59:17,987 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:59:17,988 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:17,988 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:59:17,988 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:59:17,988 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_5a.c.cil.c_Iteration7_Loop [2024-11-07 23:59:17,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:59:17,988 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:59:17,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:17,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:59:18,049 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:59:18,049 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:59:18,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:18,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:18,051 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:18,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-07 23:59:18,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:18,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:18,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:18,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:18,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:18,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:18,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:18,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:18,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:59:18,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-07 23:59:18,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:18,077 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:18,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-07 23:59:18,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:59:18,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:59:18,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:59:18,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:59:18,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:59:18,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:59:18,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:59:18,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:59:18,090 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:59:18,094 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-07 23:59:18,094 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-07 23:59:18,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:59:18,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:59:18,096 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:59:18,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-07 23:59:18,097 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:59:18,098 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:59:18,098 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:59:18,098 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-07 23:59:18,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-07 23:59:18,110 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:59:18,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:59:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:18,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:59:18,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:59:18,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:59:18,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:59:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:59:18,172 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-07 23:59:18,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 83 transitions. cyclomatic complexity: 25 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:18,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 83 transitions. cyclomatic complexity: 25. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 87 transitions. Complement of second has 4 states. [2024-11-07 23:59:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:59:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-11-07 23:59:18,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 22 letters. Loop has 3 letters. [2024-11-07 23:59:18,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:18,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 25 letters. Loop has 3 letters. [2024-11-07 23:59:18,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:18,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 22 letters. Loop has 6 letters. [2024-11-07 23:59:18,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:59:18,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2024-11-07 23:59:18,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:59:18,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:59:18,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:59:18,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:59:18,186 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:59:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:59:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:59:18,186 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:59:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:59:18,186 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:59:18,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 23:59:18,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:59:18,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:59:18,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:59:18,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:59:18,187 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:59:18,187 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:59:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:59:18,187 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:59:18,187 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-07 23:59:18,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-07 23:59:18,189 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:59:18,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-07 23:59:18,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:59:18 BoogieIcfgContainer [2024-11-07 23:59:18,199 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-07 23:59:18,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:59:18,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:59:18,200 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:59:18,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:59:13" (3/4) ... [2024-11-07 23:59:18,202 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 23:59:18,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:59:18,204 INFO L158 Benchmark]: Toolchain (without parser) took 5931.71ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.2MB in the beginning and 100.9MB in the end (delta: -8.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-07 23:59:18,204 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:59:18,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.67ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:59:18,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:59:18,205 INFO L158 Benchmark]: Boogie Preprocessor took 72.73ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:59:18,205 INFO L158 Benchmark]: RCFGBuilder took 611.70ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 45.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 23:59:18,205 INFO L158 Benchmark]: BuchiAutomizer took 4941.46ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 100.9MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:59:18,206 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 100.9MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:59:18,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.67ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.73ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.70ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 45.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4941.46ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 100.9MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 100.9MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (6 trivial, 7 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 3.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 10. Automata minimization 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 163 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 655 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 648 mSDsluCounter, 1099 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 226 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 873 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT6 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div612 bol100 ite100 ukn100 eq132 hnf96 smp41 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 52ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-07 23:59:18,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-07 23:59:18,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-07 23:59:18,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE